EP 1137651 A1 20011004 - 1-HYDROXY-3-SULFONOALKANE-1,1-DIPHOSPHONOUS ACIDS
Title (en)
1-HYDROXY-3-SULFONOALKANE-1,1-DIPHOSPHONOUS ACIDS
Title (de)
1-HYDROXY-3-SULFONOALKAN-1,1-DIPHOSPHONSÄUREN
Title (fr)
ACIDES 1-HYDROXY-3-SULFONOALCANE-1,1-DIPHOSPHONIQUES
Publication
Application
Priority
- DE 19857251 A 19981211
- EP 9909337 W 19991201
Abstract (en)
[origin: DE19857251A1] The present invention relates to 1-hydroxy-3-sulfonopropane-1,1-diphosphonous acids, to phosphonate-containing mixtures which contain said acids, to a method for producing the same and to the application thereof as water treatment chemicals and sequestering agents.
IPC 1-7
IPC 8 full level
C02F 5/14 (2006.01); C07F 9/38 (2006.01); C09K 3/00 (2006.01); C09K 8/528 (2006.01); C09K 8/54 (2006.01); C11D 7/36 (2006.01); C23F 11/08 (2006.01); C23F 11/10 (2006.01); C23F 11/167 (2006.01)
CPC (source: EP KR)
C02F 5/14 (2013.01 - EP); C07F 9/38 (2013.01 - KR); C07F 9/3865 (2013.01 - EP); C09K 8/528 (2013.01 - EP); C09K 8/54 (2013.01 - EP); C11D 7/36 (2013.01 - EP); C23F 11/08 (2013.01 - EP); C23F 11/10 (2013.01 - EP); C23F 11/1676 (2013.01 - EP)
Citation (search report)
See references of WO 0035926A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19857251 A1 20000615; AU 1558200 A 20000703; CA 2353863 A1 20000622; EP 1137651 A1 20011004; JP 2002532506 A 20021002; KR 20010087419 A 20010915; WO 0035926 A1 20000622
DOCDB simple family (application)
DE 19857251 A 19981211; AU 1558200 A 19991201; CA 2353863 A 19991201; EP 9909337 W 19991201; EP 99958148 A 19991201; JP 2000588184 A 19991201; KR 20017007230 A 20010609